VulnerabilityModified
CVE-2020-17054
Chakra Scripting Engine Memory Corruption Vulnerability
MEDIUM 4.2EPSS 2.07%
Does this matter?
Lower severity and a low EPSS score (2.07%). Track it; it rarely justifies an emergency change on its own.
Description
Chakra Scripting Engine Memory Corruption Vulnerability
- CVSS 3.1
- 4.2 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
- EPSS
- 2.07% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- microsoft/edge · microsoft/chakracore
- Source
- secure@microsoft.com
EPSS 2.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17054Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17054Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.